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TABLE OF CONTENTS Address from the President of the IChO-2007 . 2 Overview of the IChO-2007 . 4 Participating Countries . 6 Programs . 7 Minutes of the Business Sessions of the 39th IChO in Moscow . 10 Practical Examination Problems . 17 Theoretical Examination Problems . 30 Answer Sheets, Solutions, and Grading Schemes . 51 Statistical Analysis of the Problems . 112 Results per Student . 117 Detailed Results per Country . 122 Comparative Analysis of the IChO Results from 1990 to 2007 . 132 List of Mentors, Observers, and Guests . 133 IChO-2007 Budget . 141 Participation fees for the IChO-2007 . 142 Preparations . 144 People who made the IChO-2007 possible . 145 1 Address from the President of the IChO-2007 Dear friends! The 39th International Chemistry Olympiad is in the past. What will you remember from July 2007? I really hope your memory recalls bright moments of the Opening and Closing Ceremonies, nice sites of Moscow, unforget- table time spent with many old and new friends. And of course, mentors will remem- ber intriguing discussions of examination tasks, whereas students – huge efforts to solve them. I am really sure everybody agrees that the 39th IChO became an impor- tant step in the development of International Chemistry Olympiads and science edu- cation as a whole. Many organizations and individuals significantly contributed to the 39th IChO suc- cess. I have a pleasure to thank the Ministry of Education and Research of Russian Federation and personally the Minister A. Fursenko for serious attention to the Olympiad, which we felt at every stage of preparation. I address warmest words of gratitude to the Rector of Moscow State University, Full Member of Russian Academy of Sciences, Professor V. Sadovnichy. Organization of IChO required coordinated efforts of various divisions and services of the Moscow University, and we always got positive and benevolent response and readiness to help. MSU Chemistry Department was the host organization of the 39th IChO, and thus delegated the maximal number of members to the Science Committee, as well as to the working groups which assisted during examinations and other Olympiad events. I thank everyone who contributed to the IChO. Without your enormous efforts, dedica- tive work and high professionalism, this Olympiad would never have come true. We are extremely grateful to all the sponsors. Their donations allowed conducting the Olympiad at a high technical level. I am absolutely sure that it was a very useful 2 investment in the growth of talented young people from all over the world, and the companies will gain numerous benefits in future. It is my pleasure to thank all the students for excellent participation in IChO and fol- lowing the standards of fair competition. My congratulations on excellent results achieved at quite complicated sets of practical and theoretical problems. And of course I am very grateful to all mentors, scientific observers, guests and guides. Your positive attitude, creativity and enthusiasm produced warm and friendly atmos- phere which we all experienced throughout the Olympiad. I really hope that all of you enjoyed the time spent in Moscow, and at MSU Chemis- try Department, in particular. As the Dean of Chemistry Department and President of the 39th IChO I have a pleasure to say to all the participants: You are very much wel- come back! With best wishes Valeriy V. Lunin Professor Dean of MSU Chemistry Department Full Member of Russian Academy of Science President of the 39th IChO 3 OVERVIEW of the ICHO-2007 Period July 15-24, 2007 Venue Chemistry Department, M.V. Lomonosov Moscow State University Official Airports Sheremetievo International Domodedovo International Students Location Hotel ‘Olympiets’, 5 km away from Moscow Mentors, Scientific Observers and Guests Location Hotel “Holiday Inn Sokolniki” Host Organization Chemistry Department, M.V. Lomonosov Moscow State University Supported by Government of Russian Federation Ministry of Education and Science, RF M.V. Lomonosov Moscow Sate University Main Sponsors “Basic Element” Company, ”Lukoil”-neftekhim Vladimir Potanin Foundation Sponsors Norilsk Nickel; DuPont; BASF; Schlumberger; ESN Group of Companies; Procter and Gamble; JSC “Sibur”; Eurocement Group; Tokyo Boeki Ltd., Renova Group of Companies; Helios IT-Operator; Analytik Jena; Institute for New Carbon Materials; Russian Chemist Union; Bruker Companies; Oil Transporting JSC “Transneft”; Publishing House “Drofa”; Bayer MaterialScience; BP Traiding Ltd.; Dr. Barbara Mez-Starck Foundation; Lhoist Group; ACD/Labs; BioChemMac Group of Companies 4 Information Sponsors Publishing holding “Career-Press”; “Chemistry and Life”; The Chemical Journal; “Nanometer” portal Participation Countries 67 participating, 1 observing (Nigeria), new participant – Moldova Students 256 Mentors 132 Scientific Observers 44 Guests 15 Results Gold Medals 31 Silver Medals 56 Bronze Medals 71 Honorable Mentions 10 Operational Stuff 230 Organizing Committee 20 Science Committee 34 Secretariat 8 Technical Committee 19 Lab Instructors 24 Lab Assistants 21 Spectrophotometer Operators 26 “Catalyzer” team 15 Guides 72 5 PARTICIPATING COUNTRIES Country Code Country Code Argentina ARG Kyrgyzstan KGZ Armenia ARM Latvia LVA Australia AUS Lithuania LTU Austria AUT Malaysia MYS Azerbaijan AZE Mexico MEX Belarus BLR Moldova MDA Belgium BEL Mongolia MNG Brazil BRA Netherlands NLD Bulgaria BGR New Zealand NZL Canada CAN Norway NOR China CHN Pakistan PAK Chinese Taipei TPE Peru PER Croatia HRV Poland POL Cuba CUB Portugal PRT Cyprus CYP Romania ROU Czech Republic CZE Russian Federation RUS Denmark DNK Saudi Arabia SAU Estonia EST Singapore SGP Finland FIN Slovakia SVK France FRA Slovenia SVN Germany DEU Spain ESP Greece GRC Sweden SWE Hungary HUN Switzerland CHE Iceland ISL Tajikistan TJK India IND Thailand THA Indonesia IDN Turkey TUR Iran IRN Turkmenistan TKM Ireland IRL Ukraine UKR Israel ISR United Kingdom GBR Italy ITA United States USA Japan JPN Uruguay URY Kazakhstan KAZ Venezuela VEN Korea Republic KOR Vietnam VNM Kuwait KWT Nigeria – observing country (first year) 6 PROGRAMS Students and guides Arrivals, Registration at Chemistry Department, MSU July 15 Whole day Transfer to Olympiets Hotel Sunday 18.00-19.00 Welcome Dinner, Olympiets 9.00 Buses depart to the Opening Ceremony, MSU 11.00-13.00 Opening Ceremony, MSU Intellectual Centre – Fundamental Library July 16 13.00-15.00 Welcome Reception, MSU Main Building Monday 15.00-18.00 Moscow City tour 18.00 Transfer to Olympiets 20.00-24.00 Disco 9.00 Buses depart to the North Shipping Terminal July 17 10.00-17.00 Boat trip along Moscow-river, lunch included Tuesday 17.00 Transfer to Olympiets 19.00-21.00 Lab safety instructions in groups 8.00 Buses depart to the Practical Exam, MSU July 18 10.00-15.00 Practical Exam, MSU Chemistry Department Wednesday 17.00-18.30 Walk-around MSU Campus & Lenin Hills 19.00-22.00 Circus show July 19 8.30-19.30 Whole-day excursion to Sergiev Posad Thursday 8.00 Buses depart to the Theoretical Exam, MSU 10.00-15.00 Theoretical Exam, MSU Chemistry Department July 20 Friday 17.00-18.00 Walk to "Vorobjovi Gori" berth 18.00-22.00 Re-union Party on a boat, dinner included 22.00 Transfer to Olympiets 8.40 Buses depart to excursions July 21 10.00-14.00 Excursion to Kremlin Saturday 15.00-18.00 Excursion to Moscow Zoo 18.00 Transfer to Olympiets 9.00-13.00 Paintball & "Adventurer" game July 22 14.00-18.00 Free time, sports activities Sunday 19.00-23.00 Disco 9.00-12.00 Free time 12.40 Buses depart to the Closing Ceremony, MSU 15.00-18.00 Closing Ceremony, MSU Assembly Hall July 23 Monday 18.00-18.30 Walk-around MSU Campus 18.30 Buses depart to the Farewell Banquet 19.00-23.00 Farewell Banquet, Russian Academy of Sciences 23.00 Transfer to Olympiets 9.00-12.00 Check-out July 24 Whole day Departures Tuesday 12.00 Late departures – staying in Olimpiets 7 Mentors and observers Arrivals, Registration at Chemistry Department, MSU July 15 Whole day Transfer to Holiday Inn Sunday 22.00-24.00 Get-together party, Holiday Inn, Vorobjevy Gory Hall 9.00 Buses depart to the Opening Ceremony, MSU 11.00-13.00 Opening Ceremony, MSU Intellectual Centre – Fundamental Library 13.00-15.00 Welcome Reception, MSU Main Building July 16 15.00-16.00 Lab inspection Monday 16.30 Buses depart to Holiday Inn, distribution of Practical Exam 18.00-19.00 Consultation with tasks authors, Polyanka Hall 20.00-24.00 The 1st Jury Meeting, Sokolniki 2 Hall July 17 Whole day Translation of Practical Exam, Holiday Inn, Sokolniki Hall Tuesday 22.00-24.00 Informal party, Holiday Inn, Vorobjevy Gory Hall 9.30-14.00 Excursions in groups: Kremlin/City tour July 18 17.30-19.00 Consultation with tasks authors, Arbat Hall Wednesday 20.00-24.00 The 2nd Jury Meeting, Okhotnyi Ryad & Vorobjevy Gory Halls July 19 Whole day Translation of Theoretical Exam, Holiday Inn, Sokolniki Hall Thursday 22.00-24.00 Informal party, Holiday Inn, Vorobjevy Gory Hall 8.00-18.00 Whole-day excursion to Sergiev Posad, lunch included July 20 18.00-22.00 Re-union Party on a boat, dinner included Friday 22.00 Transfer to Holiday Inn 9.30-14.00 Excursions in groups: City tour/Kremlin July 21 15.00-19.00 Grading of students' works Saturday 20.00-22.00 The 3rd (Business) Jury Meeting, Sokolniki 1 Hall 22.00-24.00 Informal party, Holiday Inn, Vorobjevy Gory Hall 8.00-19.00 Arbitration in groups, Arbat Hall July 22 20.00-21.00 Meeting with Minister of Education, RF and sponsors, Sokolniki 1 Hall Sunday 21.00-22.00 The 4th Jury Meeting, Allocation of medals, Sokolniki 1 Hall 22.00-24.00